Josh Coleman left behind unfinished family business when he took to his deathbed at SunStar, the thoroughbred horse farm he'd built from nothing. But now that unfinished business cannot be ignored because his long-lost daughter has come back to settle an old score.

As he learns about the famous Hambletonian, sire of the American trotter, young Gib White dreams of some day having his own filly become a champion trotter.

Quarter-midget car racer Michael Haynes and his twin brother Mark, the team's mechanic, are used to winning their races, but when a new, unscrupulous racer starts competing, even causing Michael to be injured in a race, the twins are tempted to start using different tactics themselves.

Super Rabbit Boy is racing in the Super Grand Prix car race--but among the other racers is King Viking and his team of cheaters, and they will do anything to win.

Hot Wheels race cars attempt to escape from a shark attack.

Ace has built her own go-kart, but when she is ready for a test run it will not start, and she has to figure out what part is missing--and then in the middle of the race something else goes wrong.